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Little Johny didn't want to get his girlfriend pregnant, even though she was on birth control. So instead of the mundane vaginal pounding that he would like to do, they just had butt sex.
by magic bananas February 20, 2011
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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4
It means you put the penis in the ass. Duh?
"Our Buttsex was good last night! Wasn't it Kaitoo?" Riely asked
by Dick Heads January 30, 2015
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5
The act of lighting up a cigarette, smoking the whole thing, then using the dying embers on the cigarette butt to light up another.
Chain smoker: I was so stressed yesterday that i had butt sex six times in one sitting while smoking my camels.
by Fl3tch3r November 18, 2009
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6
1) taking it like a man, in the behind.

2) doing wrong to someone, like backing into their new convertible and not leaving a note.
I totally buttsexed the shit outta that guy!

this fits both definitions.
by anniekin. August 10, 2007
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